add a github actions config (#985)

* add a github actions config

* fix(log): Don't create a log dir when testing

* remove a meaningless test case

* Thanks for everything, Mr, Travys.

* add golangci

* add goreleaser.yml

* add tidy.yml

* add golang-ci

* fix many lint warnings

scan/freebsd.go

@@ -189,7 +189,7 @@ func (o *bsd) scanUnsecurePackages() (models.VulnInfos, error) {
 		return nil, nil
 	}
 
-	var packAdtRslt []pkgAuditResult
+	packAdtRslt := []pkgAuditResult{}
 	blocks := o.splitIntoBlocks(r.Stdout)
 	for _, b := range blocks {
 		name, cveIDs, vulnID := o.parseBlock(b)